12756987 is an odd 8-digits composite number following 12756986
and preceding 12756988 . In scientific notation, it is written as 1.2756987 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 8004096 positive integers (up to 12756987) that are relatively prime to 12756987.
12756987 has 8 divisors, whose sum is 14008176
The reverse of 12756987 is 78965721
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twelve million seven hundred fifty-six thousand nine hundred eighty-seven
Scientific notation
1.2756987 × 10^7
Engineering notation
1.2756987 × 10^6
Prime Factorization
27 × 17 × 27793
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12756987
Product of the distinct prime numbers
The prime factorization of 12756987 is 27 × 17 × 27793.
Since it has a total of 3 prime factors.
4 , 8 , 91 , 64 , 39 , 557 , 3713 , 4050 , 11309 , 26586 , 448269 , 322367 , 8878669 , 3662849 , 52960249 , 63216637 , 539917097 , 960163656 , 5099055795 , 6143358973
n×2
25513974
n×3
38270961
n×4
51027948
n×5
63784935
n÷2
6378493.5
n÷3
4252329
n÷3
3189246.75
n÷5
2551397.4
n2
162740717318169
n3
2.0760812151986E+21
n4
2.6484541073232E+28
n5
3.3786294617219E+35
2 √n
3571.6924559654
3 √n
233.65910256075
4 √n
59.763638242374
5 √n
26.372398078936
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12756986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12756987 can be divided by 8 positive divisors.
The sum of these divisors (counting 12756987) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000101010011111111011
3
Ternary
220000010022000
4
Quaternary
300222133323
5
Quinary
11231210422
6
Senary
1133232043
8
Octal
60523773
10
Decimal
12756987
12
Duodecimal
4332623
16
Hexadecimal
c2a7fb
20
Vigesimal
3jec97
36
Base36
7lfcr
md5
d15732583631ef0d06e0b3d7922aab8d
sha1
2085fde44ce3f0caf7a09dc8ddf775d49ea3e848
sha256
2d08e8030396c5e4f2cb84ad913a3da949ee150aa03d923781843a670e07f27d
sha512
8d3e06d756c542691e5857c8a4954d820e976b6bfd660c558a0c92feece40948ac3fd219b5d7c5c1bcb3c9ca4cfb60fcf331fb4c68a95736d7e397373fe8d4fe
ripemd-160
b6af81b61a615b44970436e10b4898f376ad6b13
Diameter
25513974
Circumference
80154513.282281
Area
5.1126504196669E+14
Volume
8.6962686585647E+21
Surface area
2.0450601678668E+15
Circumference
80154513.282281
Perimeter
51027948
Area
162740717318169
Diagonal
18041104.030417
Surface area
976444303909014
Volume
2.0760812151986E+21
Space diagonal
22095749.635496
Perimeter
38270961
Area
70468797713818
Altitude
11047874.817748
Surface area
70468797713818
Volume
2.4466851759348E+20
Height
6013701.3434724